WGU D204 Data Analytics Exam 2023 - 2024
Questions and Answers (Verified Answers)
1. Which activity does an analyst perform in the discovery phase of the
data analytics life cycle?
a. Collecting Data
b. Cleaning Data
c. Identifying outliers
d. Identifying business needs>>>>>Identifying business needs
2. In which phase of the data analytics life cycle does an analyst
build a histogram?
a. Data acquisition
b. Data exploration
c. Discovery
d. Predictive modeling>>>>>Data Exploration
3. An analyst applies a statistical formula to obtain the average
temperature for a city over the last 50 years. Which phase of the data
,analytics life cycle is represented by this activity?
a. Data acquisition
b. Exploratory data analysis
c. predictive modeling
d. Data reporting>>>>>Exploratory data analysis
4. An analyst has been tasked with defining data columns that could
contain null values. Which activity of the data acquisition phase is
represented?
a. collecting data
b. disqualifying data sources
c. detecting missing values
d. transforming improperly formatted text>>>>>Detecting missing values
5. Which activity in the data analytics life cycle occurs during the data
acqui- sition phase and requires the most time and effort from the data
analyst?
a. selecting the data sources
b. importing data into a database
c. cleaning data
defining goals>>>>>Cleaning Data
6. What might be developed by data analysts when acquiring data from a
data warehouse?
a.The procedures for extracting files from the data warehouse
, b. The procedures for updating tables in the data warehouse
c. The relational structure of tables
Questions and Answers (Verified Answers)
1. Which activity does an analyst perform in the discovery phase of the
data analytics life cycle?
a. Collecting Data
b. Cleaning Data
c. Identifying outliers
d. Identifying business needs>>>>>Identifying business needs
2. In which phase of the data analytics life cycle does an analyst
build a histogram?
a. Data acquisition
b. Data exploration
c. Discovery
d. Predictive modeling>>>>>Data Exploration
3. An analyst applies a statistical formula to obtain the average
temperature for a city over the last 50 years. Which phase of the data
,analytics life cycle is represented by this activity?
a. Data acquisition
b. Exploratory data analysis
c. predictive modeling
d. Data reporting>>>>>Exploratory data analysis
4. An analyst has been tasked with defining data columns that could
contain null values. Which activity of the data acquisition phase is
represented?
a. collecting data
b. disqualifying data sources
c. detecting missing values
d. transforming improperly formatted text>>>>>Detecting missing values
5. Which activity in the data analytics life cycle occurs during the data
acqui- sition phase and requires the most time and effort from the data
analyst?
a. selecting the data sources
b. importing data into a database
c. cleaning data
defining goals>>>>>Cleaning Data
6. What might be developed by data analysts when acquiring data from a
data warehouse?
a.The procedures for extracting files from the data warehouse
, b. The procedures for updating tables in the data warehouse
c. The relational structure of tables
